Men who love to eat soy products such as tofu should be careful. According to recent reports by a number of US media, a recent study by the Harvard School of Public Health in the United States once again made it clear that if soy products are consumed daily, the number of sperm for men will decrease significantly.
The study was completed by Dr. George Chavaro of Harvard University School of Public Health. From 2000 to 2006, researchers tracked and investigated 99 men. The results of the study were astonishing: Men who ate soy products every day had only 41 million sperm per milliliter of semen, which was significantly lower than that of men who consumed soy products. It is understood that less than 20 million sperms per milliliter of semen belong to spermatozoa with low concentrations and are easily infertile. In addition, this link is more evident in obese men.
Chavaro believes that soy products have adverse effects on the male reproductive system, especially sperm production. Soybeans and their products are rich in isoflavone phytoestrogens. If they are taken in too much, they will naturally affect the level of androgens in men, leading to a series of adverse consequences.
Male experts in China have also suggested that eating too many soy products will affect the number of male sperm. In the past five years, Pan Lianjun, a male physician of the Nanjing Maternal and Child Health Hospital, has been paying attention to this issue. He also found that men who eat soy products are 3.46 times more likely to have erectile dysfunction than those who eat less.
However, according to the “The Guardian†reported on July 29, the Soybean Protein Association, which represents the British soybean food processing industry, said that there is no conclusive evidence that soybeans are harmful to human health and that the amount of soybeans consumed in daily life will not Give men a risk of increased estrogen. Pan Lianjun believes that eating soy products in moderation is the best way to avoid men's health risks. The so-called "appropriate amount" means eating less than 3 times a week for about 100 grams each time.
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